Add this link in the header file of your html page
<link rel="stylesheet" href="../styles/main.css"> <script src="https://kit.fontawesome.com/5548c84970.js" crossorigin="anonymous"></script>
Warning alert
Warning: This is a warning alert!
Error alert
Warning: This is an error alert!
Info alert
Warning: This is an info alert!
Success alert
Success: This is a success alert!
<h2><u> Warning alert</u></h2> <div class="alert-warning-wrapper"> <span class="warning-msg"> <span class="fas fa-exclamation-circle"></span> <span class="msg">Warning: This is a warning alert!</span> </span> <span class="fas fa-times"></span> </div> <!-- error alert --> <h2><u> Error alert</u></h2> <div class="alert-error-wrapper"> <span class="error-msg"> <span class="fas fa-exclamation-circle"></span> <span class="msg">Warning: This is an error alert!</span> </span> <span class="fas fa-times"></span> </div> <!-- info alert --> <h2><u> Info alert</u></h2> <div class="alert-info-wrapper"> <span class="info-msg"> <span class="fas fa-exclamation-circle"></span> <span class="msg">Warning: This is an info alert!</span> </span> <span class="fas fa-times"></span> </div> <!-- success alert --> <h2><u> Success alert</u></h2> <div class="alert-success-wrapper"> <span class="success-msg"> <span class="fas fa-exclamation-circle"></span> <span class="msg">Success: This is a success alert!</span> </span> <span class="fas fa-times"></span> </div>